Safety vent for hydrocarbon containers



Feb. 6, 1923, 1,444,661

V. CLIFFORD SAFETY VENT FOR HYDROCARBON CONTAINERS Original Filed Mar. 6, 1920 V5.12 to? (Z2 i ffo rd WITNESSIk;

ATTORNEY Patented Fee, a, i923 v y stares rat,

VICTOR CLTFFORD, F "MANNFOBD, OKLAHOMA, ASSIGNUR OE ONE-FOURTH TO SIMEON I G. CLOVER AND ONE-FOURTH TO MARVIN K. CLOVER, BOTH 0F TULSA, OKLAHOMA.

SAFETY FOB HYDROCARBbN CONTAINERS.

Application filed March 6, 1920, Serial No. 363,896. Renewed August 10, 1922. Serial No. 581,016.

To all whom it may concern: the event of the fusible portion of material- Be it known that-I, Vroron CLIFFORD, a 9 being melted by proximity to heat or fire,

citizen of the United States, residing at the spring 10 will operate to promptly draw Mannford, in the county of Creek and State the stem 8 outwardly andto close the valve of Oklahoma, have invented new and useful body 13 so as to preclude the entrance of 60- lmprovements in Safety Vents for Hydrofire into the vent body or into the container.

carbon Containers, of which the following is Threaded on the body section 3 is a cola specification. lar 15, flanged at 16. The said collar serves The object of my present sole invention is to hold in the end of the body section 3 a 1c the provision of a safety vent for hydrocarseat 19 for a valve body 20, carried by a 65 bon containers, that is eilicient and reliable stem 21 which has a readily fusible portion in preventing fire from gaining access to the at 22 and is connected at its upper end to a interior of a container, andis so arranged regulating screw 11, carried by a yoke and constructed as not to interfere in any in section 3. The fusible portion 22 will be measure with the putting of hydrocarbon in melted by proximity to heat or fire, and 76) or the removal of hydrocarbon from the conwhen the portion 22 is so melted, the valve tainer. body will be seated by gravity, so as to To the attainment of the foregoing the inpreclude outward passage of gases through vention consists in the improvement as herethe body section 3. 20 inafter described and definitely claimed. By'reason of the construction of my jim- In the accompanying drawings, hereby provement, adequate venting of gas from a made a part hereof: hydrocarbon container is assured at all times Figure- 1 is a vertical section of the best under normal conditions, with the result practical embodiment of my invention of that safety is promoted. It will also be ap-' 25 which I am cognizant. parent that under normal conditions the re- Figures 2 and 3 are detail sections taken ticulated screen 5 may be depended upon to in the planes indicated by the lines 2-2 and prevent fire from gaining access to the in- 3-3, respectively, of Figure 1. terior of the container. When both fusible Similar numerals of reference designate portions 9 and 22 are melted to release the so corresponding parts in all of the views of valve bodies 13 and 20 in the manner and 5 the drawings. I for the'purpose before alluded to. it will be Among other elements In novel vent comapparent that the vent will still be in conprises a conduit body ma e up of aT-secdition for practical operation, this because tion 1 and end sections 2 and 3. The stem incidental to the operation of pumping hy- 35 of the T-section 1 is adapted, by preference, drocarbon from the container, the valve to be connected to a conduit section 4: in combody 13 will open outwardly to permit the munication with the interior of a hydrocarpassage of excess pressure in the container hon container (not illustrated). and thereby relieve the container, while the Tnterposed between the head of the 'T-secopening of the valve body 20 by suction in 4a tion 1 and the end sections 2 and 3 are rethe container will preclude the possibility ticulated screens 5 adapted to prevent the of a vacuum or partial vacuum being crepassage of fire on the Davy lamp principle. ated in the container, such as would inter- Connected to the body section 2 is a nipfere with the free passage of hydrocarbon pie 6 at the lower end of which is a crosstherefrom.

5 bar 7. uuided in the said cross-bar 7 and The apparatus herei disclosed has proved extending upwardly in the body section 2 is in actual-practice to be reliable and othera stem 8 "that is connected to a retractile wise successful. f

spring 16; the said spring being connected Having described my invention, what T to a regulating screw 11 that bears in a claim and desire to secure by Letters-Patj oke 10 fixed in the section 2. The stem 8 cut, 1s: m5

extends through a guide, and is connected 1. went for hydrocarbon conta ners thereto by readily fusible material 9. Said comprising a conduit body having a i-secstem is provided at 13 with a valve body, detion and elbow sections jOlIlGd to the ends of signed to cooperate with a seat 14 formed by the T-head, reticulated screens secured bean annulus the section 2. Manifestly in tween the ends of the T-head and said elbow 116D sections, a valve seat in one elbow section, a cross bar connected to the section, a regulating screw mounted in the elbow section, a stem interposed between and connecting said cross-bar and said screw and tractile, spring and having a readily fusible portion eonne'c'cing it to the cross-bar, an inwardly seating valve body carried by said stem and opposed to said valve seat, a valve seat in the other elbow section, an outwardly seating valve bodyopposed to said seat, a regulating screw bearing in saidelbow sec- I tion, and a stem connecting the valve body and said screw and including a readily fusible portion. a

2 A vent for hydrocarbon containers comprising a conduit body of general T-i form, an inwardly seating valve body opposed to one end of the conduit body, a stem connected with the valve body, readily fusible means to hold said stemagainst moveincluding a rei and the other the readily fusible means to close the valve body, and an outwardly seating valve body adapted to control the other end of the conduit body and normally held against seating by means'including a readily fusible portion. 4

3. A vent'for hydrocarbon containers having two orifices; one of the said orifices being controlled by an inwardly seating valve being connected with spring means for closing the same and being normally held against closing by means including a readily fusible portion, and the outwardly seating valve being normally held against closing by means including a readily fusible portion.

orifice by an outwardly seatmg valve,.and the inwardly seating valve In testimony whereof I afiix my slgnat'ure;

VICTOR CLIFFORD. 

